# Prospero Solar

ERCOT asset profile · https://askthegrid.com/assets/facilities/prospero-solar

Longroad Energy · Andrews County · ERCOT

Prospero Solar is a 300 MWac / 379 MWdc photovoltaic facility in Andrews County, Texas. EIA's May 2026 inventory reports one 300 MWac generator with 379 MWdc capacity dated June 2020. The asset closed a $416 million financing package with Meta, then Facebook, as sole tax-equity investor and CIT as lead coordinating arranger.

## Profile

- **Grid role:** Utility-scale photovoltaic generation in ERCOT's West region.
- **Operating configuration:** 300 MWac / 379 MWdc with more than three million First Solar modules.
- **Financing:** $416 million package; Meta was sole tax-equity investor and CIT was lead coordinating arranger.

## Metrics

- **Reported capacity:** 300 MW — EIA-reported operating capacity; nameplate, seasonal, AC/DC, and unit ratings may differ.
- **Operating capacity:** 300 MWac — EIA May 2026
- **DC capacity:** 379 MWdc — EIA and Longroad
- **Modules:** 3M+ — First Solar
- **Site area:** 4,721 acres — Longroad Energy
- **Financing package:** $416M — Longroad Energy
- **Registry anchor:** Plant 62755 — Prospero Energy Project LLC

## Facts

- **Operating capacity:** 300 MWac / 379 MWdc — EIA May 2026 · confidence: high
- **Current owners:** Longroad Energy and AIP — Longroad Energy · confidence: high
- **Tax-equity investor:** Meta / Facebook — Sole investor · confidence: high

## Related parties

- **Module supplier:** First Solar — Module supplier for Prospero Solar ([source](https://firstsolar.com/))

## Sources

- [EIA May 2026 generator inventory](https://www.eia.gov/electricity/data/eia860m/) — U.S. Energy Information Administration · regulatory — Current generator records, capacity scopes, dates, status, operator, and technology.
- [Longroad Prospero project page](https://www.longroadenergy.com/portfolio/prospero-2/) — Longroad Energy · official — Current ownership, capacity, module count, acreage, PPA, and operating year.
- [Longroad Prospero financing](https://www.longroadenergy.com/longroad-energy-completes-financing-of-331-mwdc-prospero-2-solar-project/) — Longroad Energy · official — Financing amount, tax equity, debt arranger, equipment, EPC, and interconnection counterparties.

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Canonical page: https://askthegrid.com/assets/facilities/prospero-solar
Website: [Longroad Energy](https://longroadenergy.com/)
Profile published: 2026-07-17T03:34:42.228Z
Source: Ask the Grid — https://askthegrid.com/